Controlling means for engines.



'N0;'785,863. PAT

' O. 0,-DURYEA .86 M. 0. WHITE.

CONTROLLING MEANS FOR ENGINES.

ENTED AUG. 11, 1903.

APPLICATION FILED MAR. 27, 1902.

2 SHEETS-SHEET 1.

N0 MODEL:

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506622665425; WM my PATE I No. 735,863. NTED AUG. 11, 1903.

0. 0. DURYEA &' M. .0: WHITE. CONTROLLING MEANS FOR ENGINES.

APPLICATION FILED MAR. 27- 1902.

NOUMODEL.

2 SHEETSSHEET 2.

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IINHED STATES PatentedAugust 11, 1eoe' PA T aOm icE; f

OTHO C. DURYEA AND ASSIGNORS TO NfiiTIONAL FREE PISTON ENGINE NTROL-glue MEANS FoaENomE-s} MORRIS 0. WHITE, o'F Los NeELEscA moRniA,

COMPANY, (LIlVlIflED,') or Los ANGELES, CALIFORNIA, AcoRPoR TIoN. oFo LIFoR-NIA;

SPECIFICATION forming part a Letters was No. 735,863,' dated August 1 11, 1903.

Application filed Maroh 27f1902; $eria1No. 100,303. on mogtili j To all whom it may concern:

Be it known that we, OTHO Q. DURYEh and MORRIS 0. WHITE, residing in the city and county of Los Angeles and State of California, have invented certain new and useful I'mprovemen t's in Controlling Means forEngines',

of which the following is a specification.

Our invention relates particularly to means for controlling an electric circuit in an engine, which circuit may operate sparking devices to explode a gas Whichfurnishes the power, or it may operate valves for the passage of air, gas, steam, and other agents which may be used to furnish power in the engine.- In this embodiment we have shown and described our device as controllingan electric circuit and sparking mechanism of an explo= sive-engine; but it should be understood that we do not limit ourselves to this specific ap- 2o plication of the device, as it may be. equally effective and valuable when applied to and oooperatingwith other mechanisms, as de scribed.

Our invention is particularly applicable to engines-having a stroke of varying 'length' such, for instance, as a self-contained power: drill, which is shown and described in an application of ours eXecutedjMa'rch 21, 1902. By employingour device other forms of engines or drills maybe modified to have a variable stroke.

An'object is to produce a s-imple device which is self-contained and very eifective in operation.

Referring to the drawings, Figure I shows our device as applied to an explosive-engine having a variable stroke. Fig. II is a vertical sectional view of our device, showing-the parts in one position. 0 View showing the parts in another position.

Fig. IV is a View showing the device as applied to a two-cylinder engine having a varying stroke. Fig. V'is a detail in section, taken on the line V V, Fig. III.

1 is a standard. a 2 is an inertia-piece, inthis embodiment a bar pivoted to the standard by a pin 3. 4 and dare oppositely-arranged rods having enlarged screwthreaded heads 6 and 7,

against the bar 2.

and grounded tothe frame by' wire 26.

Fig. III is a similar I which take into threaded portions of'the stand-'- ard 1. One of the rods t may have. 'a contracted end, as at 8, whichv may fit intoa tubularend of the r0d5. OHGGHIIOI thei'nertia piece may carry a weight 9 'The other eiid may be enlarged and provided with a slot for the rods tan'd 5. i- I1 and 12' are suitablewashers, which, are carried by the rods 4 and '5 and which may-lie .13 and-14 are suitable springs, one of which lies between the head 6 and washer 11, the

otherlying between thehead 7 and" washer- 12. 1

l5 and I6 are-the lock-nuts.

17 and 18 are shoulders formed on the stand i I .645 v ardL. v

20is a cylimder of an explosivevengine. e 21 is a piston having .apiston-rod 22 con? nectedthereto.

- 23 is, a sparking plug in the cylinder-'20. I

r The-standard 1 may besuitably mounted -on the piston-rod 22.

23 is a portion of the frame ofthe engine.

24 is an induction-coil, the secondary being connected to the sparking plug 23 by wire 25' The primary of induction-coil is connected .to the blade 28 by wire29. When the piston-rod 22 is reciprocated, the standard 1 isflikewise moved, and when the weight 9 is brought into standard 1 by wire 27, the other pole of the primary being connected to a flexible contactcontact with the'lblade 28 the circuit is com-" L pleted, which energizes the'induction coil and causes a spark through .the plug 23. The weight 9 may be brought into contact with the cause it-t o swing, like an inverted pendulum,

into contact with the blade 28. i

Fig. IV shows the manner of applying our device to a two-cylinder engine, in which 30 and 31 are cylinders containing, respectively,

pistons 32 and 33, which are connected by a piston-rod 34. 35 and 36 are sparking plugs arranged in cylinders 30 and 31. The sparking plug 35 is connected toa contact-block 37 by a wire 38, while sparking plug 36 is connected with a contactwblock 39 by a wire 40. The secondaryof the induction-coil is connected to a contact-block 41 by a wire 42,

while wire 43 from secondary of an induc-- tion-coil 241s grounded on the frame. Wire 44 connects the primaryof induction-coil 24 with the standardl, while a wire 45 from in the position shown'in Fig. IV, the contact-blade 48 forms a connection between contact-blocks 41 and 39, thus completing the secondary circuit, and the weight 9 is in contact with blade 47, thus completing the primary circuit. The induction-coil being thus energized, a spark is caused at sparking plug'36, which explodes the' gas in I cylinder 31 and drives the piston 33 and attached parts to the left, thus breaking the contact between weight 9 and blade '47 and breaking the contact between blade 48 and contact 39. When the parts have moved to theleft sufliciently, theweight 9 is. thrown into contact with blade 46 either by its inertia or by-nieans of the shoulder 18 pressing againstjbar'2, as before explained, and the primary {circuit is completed. At the same timeth'eblade 48 has been moved into 'contact with .contact block 37 and contactblock 41, thereby completing the-secondary circuit, energizing- 't; e'induction-coil 34, and causing a spark'at's'parking plug 35, which explodes the gas in cylinder 30 anddrives the piston 32 and attached parts to the right and breaking contact between weight 9 and blade 46 and also connection between block 37 and block 41-. 9 is to be thrown into contact alternately with blades 46and.,47. at the end of each stroke either by inertia or through the. medium of either of the shoulders 17 and 18. The bar 2 is allowed a suflicient degree of swing, so as to reach thecontact-blade at the shortest length of stroke which occurs in an engine having a variable stroke. The springs'13 and 14 serve to return the weight to normal position after contacting with a blade. When running at a high speed, the

bar 2 may not stand vertically, as shown in Fig. V, but the springs operate to counterbalance the weight 9 and steady it from erratic movement. The tension of the springs may be regulated by the screws 5 and 6, the

' ends of the rods 4 and5 telescoping to allow of this adjustment. 4 r

While we have shown the device as applied to a horizontal engine, it will operate equally well when applied to a vertical engine by properly adjusting the tension of the springs 13 and 14.

-It is obvious that many changes may be The action of the weightmade inthe. particular construction herein shown and described without departing from the spirit of the invention. a

' What we claim is- 1. A plurality of cylinders, a piston in each cylinder, a rod connecting said pistons, sparking -mechanism having sparkingterminals in p each cylinder, an electric circuit for controlling said sparking .mechanism, an inertiapiece carried by said rod and forming a movable terminal, a stationary contact electrically connected to one pair of sparking terminals, another stationary contact electrically connected to the other sparking terminals, each contact being at opposite limits of the path of movement of said inertia-piece.

2. A'plurality of cylinders, a piston in each cylinder, a rod connecting said pistons, sparking mechanism having sparking terminals in each cylinder, an electric circuit for controlling said' sparking mechanism,'an inertia-' piece-carried .by said rod and forming amovable terminal, a stationary flexible contact electrically connected to one pair of sparking terminals, another stationary flexible contact electrically connected to 'the other sparking terminals, each contact -being at oppositelimits of the path of piece. t,

3. A plurality of cylinders, apiston in each cylinder, a rod connecting said pistons, sparking mechanism having sparking terminals in each cylinder, an electric circuit for controlling said sparking mechanism, an inertiapiece carried by said rod and forminga movable termlnal, a stationary contact electricmovement of said inertiaally connected to one pair of sparking termi nals, anotherstationary contact electrically connected to the other sparking terminals, each-contact being at opposite limitsof the path of movement of said inertia-piece; and adjustable means for regulatingthe inertial movement of said inertia-piece.

4. A cylinder, a piston therein, a sparking mechanism in said cylinder, an inertia-piece external of the cylinder and mounted on means reciprocated by the pistoti, an electric circuit for controlling said sparking mechanism; a-contact-blade in said circuit and the path of the inertial movement of saidinertiapiece.

5. A cylinder, '3. piston therein, a sparking mechanisni in said cylinder, an electric circuit for controlling said sparking mechanism, said circuit being normally open, a circuitcloser comprising an inertiapiece flexibly mounted on means supported and carried by said piston, said inertia-piece being external of the cylinder and movable into contact with said circuit to close the same.

6. A cylinder, a piston therein, a pistonrod connected thereto, a sparking mechanism in said cylinder, an electric circuit for controlling saidsparking mechanism, said'circuit being normally open, a circuit-closer comprising an inertia-piece flexibly mounted teases 7 the same in movable contact with saidcircnit.

7, A'cylinder, a piston therein, a sparking mechanism in said cy1inder,fan electric cir-i cnit for controlling said sparkingjm'echan ism, said circuit being-normally open, a cir-l cuit-closer comprisingan' inertia-pieceexternal of said cylinder and flexibly monnted on. means supported and carried by said piston, a' flexible contact-blade in said circuit and in I the path of movement of' said --inertiasparking mechanisim a standard'an inertiapiece pivoiedfto said standard, a rod adjust piece. "p a I 8. A cylinder, a piston therein, a sparking mechanism, an electric circuitfor controlling said sparking mechanism, said circuit being normally open, a circuit-closer comprising'aninertia piece, a'sta'n'dardconnectedto' said piston and carrying said inertia pi'ece, said piston having a variable length offsti'okef said inertia-piece having an inertial move ment independent of saidstandard, a con{ tact-blade. insaidcircuit and in thei palth .of

the inertial movement of 'the'inertia' piece,

9. A cy1inder,- a piston the-rein, asparking-J mechanism, an electric circuit for controlling said sparking mechanism, a circuitcloser comprising an ,inertia-piece flexiblymounted" on means supported and carriedf'by said pi s ton,'a flexible contact-blade inl'saidijci-rcilit' of' movement of said-inertia.

and in the path Piece. i Y a 10. A cylinder, a pistontherein an 9x 10,

sion-chamber, asparking' mechanism there in, an electric-circuit for controlling said sparking mechanism, 'a circiiit-closei' exter;p nal of said explosion-chamber comprisingan inertia-piece, said inertia-piecebeing' pivots ally mounted 1 on a standard, said standard beingv rigidly mounted on meanssnpported" and carried bysaid piston, said piston. ;hav-' le 'contact-i H pathpf the inertial movement of saidinertia-pieceL ing a variable stroke, and aiie blade-in said circuit and-:i'nft 1 1; A cylinder, a, piston therei m-xa 'pis'ton rod connectedv thereto, a sparking me'ch'an 'said.piston,-an. inertia-piece pivoted to said standard, ar'od adj nstab'ly attached to said standard an antifricti'on-was her on Y said rod bearing" againstsaid'inertia' piece, and a."

ism, an electric-circuit for controlling'said sparking mechanism, a-stan'dard, .an inertiapiece pivotedtosaid standard and forminga circuit-closer, said 'standardbein'g mount- .ed'on said piston -rod, 'said piston operating to move saidinertia-piece and; cause it to con piece pivotally mounted on said'standard ahd forming a ci'rcuit-closer,spring-pressed means;

bearing against said pivoted Lwe'ight, said standard being connected to 'the pi's'ton-rod,

said piston operating to move: said inertiapiece and cause it to contact with and close. saidcircnit r -13."A cylinder, a piston therein, a piston-- rod connected thereto, a sparking mechan- "against said'inertia-piece. I a .18. cylinder, a piston" therein, a'p'isto'nrpdconnected thereto, electrical sparking am'eans' forjcontrolling said piston, a standard spring-pressed ism, an lect'riccirduit? n'troll'ing said spark;

means bearing againstsaidpivoted weight,

said standard 'being-connec tedxto the piston rod said pisten operating to move said inertie-piece and-cause it, to contact with and'close said circuit. 3 .i

I4; Ajcy linder, apiston therein, ai pistonQ rod connected thereto, a sparking mechan-. Y

ism, an electric cir'cuitfor controlling said abl'y attached to the standard, a washer on :ing' mechanism, a standard, an inertia-"piece pivotally mounted on said standard and formin'g acircuit-closer,adj ustable'spring-pressed said rodl b'earing againstsaid (bar, a'spring T- carriediiy'said rod and pressing against said washer,l ,sa id piston operating to move said; standard and weight and cause the weight to contact with said circuit.

'- 15. A cylinder, 'a piston therein, a'piston."i

rod connected thereto, electrical sparking an inertia-piece pivoted'tosaid'standard, said ,1 16; A cylinder, a piston therein, a piston- ;i'od connect-ed thereto, electrical sparking m ans for controlling said piston, a standard w connected to saidpiston-rod, an inertiaspiece ;pivo tallymounted on said standard, and spring-pressed means',bearing against said -inertia piece for restori-n'g'said inertia-piece.

1 17 ."A cylinder, aapis tontherein, a piston-,

{means foricontrollingsaid piston, a standard,

rod connected thre'to, electrical sparking 'rneansfor controlling said piston, a standard connected to said'piston-rod, an inertia-piece pivotal'ly v mounted: on said standard, and] bearing .adjustablespring-pressed means mountedgonjmeanssupported and carriedfby spring ca'rriedi by said/rod and against; said anti'frictionfwasher.

l9. -A cylinder, a "piston therein, electrical f, sparking meansfor controlling said piston, 'a

standard .mounted' -on means supported and carried by'said'. piston, a'n 'i'nertiapieoe. pivard'formi'ng a stop forsaidinertia-piece, and means; bearing; against said iriertia-piece- I '20. A'cylin-der,

ism in said cylinder-,anelectricS ircnit i-for controlling said sparking-(mechanism,acircuit-closer comprising'an-inertia-piece-mou'nte 7' a piston 'therein,' a piston-"7" rod connected thereto asparking mechan pressing ,7

oted to sa'id'standard,ashonlderon-said'stand- I ed on said piston-rod, afi'exihle co'ntact blade lying in the pith of movement of said inertia piece, said inertia-piece being connected to and forming a movable contact in said circuit, said inertia-piece having-an inertial movement into contact with said, blade to close said circuit and cause said sparking mechanism to produce a spark.

Infrestimony whereof We have signed our names to this specification, in the presence of two subscribing witnesses, at Los Angeles, 10 California, this 20th day of March, 1902.

OTHO C. DURYEA. MORRIS 0. WHITE. Witnesses:

G. T. HACKLEY,

F. M. TOWNSEND. 

